@charset "utf-8";
@import url('https://fonts.googleapis.com/css2?family=Zen+Kurenaido&display=swap');

div:hover {
    cursor: pointer;
}
body{
    overflow: hidden;
}

* {
    margin: 0;
    padding: 0;
}

.teach{
    width: 100%;
    height: 100%;
    position: relative;
}

.tech-img{
    width: 100%;
    text-align: center;
}


.tect-btn{
    width: 100%;
    text-align: center;
}

.content_box {
    width: 100%;
    height: 100%;
    background: url('../img/bac1.png') no-repeat;
    background-size: contain;
    position: relative;
    display: flex;
}

.box-left {
    width: 84%;
    height: 100%;
    position: relative;
}

.left-top {
    width: 98%;
    height: 72%;
    background-color: #002b60;
    
    position: absolute;
    left: 5%;
    top: 3%;
}
.box-img{
    background: url('../img/haiyang.png') no-repeat;
    background-size: cover;
    width: 98%;
    height: 98%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.count {
    width: 15%;
    height: 8%;
    position: absolute;
    left: 0;
    bottom: -3%;
    background: url('../img/shuliang.jpg') no-repeat;
    background-size: contain;
}

.left-bottom {
    width: 90%;
    height: 17%;
    position: absolute;
    left: 5%;
    bottom: 3%;
    display: flex;
}

.bottom1 {
    width: 20%;
    height: 100%;
    margin-right: 10%;
    background-color: bisque;
    background: url('../img/yuxiang.jpg') no-repeat;
    background-size: contain;
}

.bottom2 {
    width: 15%;
    height: 100%;
    margin-right: 1%;
    background: url('../img/time.jpg') no-repeat;
    background-size: contain;
}

.bottom3 {
    width: 37%;
    height: 100%;
    margin-right: 1%;
    display: flex;
    background-color: #002b60;
    position: relative;
}
/* 鱼的名称 */
.bottom3-left {
    width: 18%;
    height: 50%;
    margin-left: 1%;
    margin-top: 1%;
    background-color: #FFF;
    font-size: 20px;
    text-align: center;
    font-family: 'Zen Kurenaido', sans-serif;
}

.bottom3-right {
    width: 65%;
    height: 60%;
    margin-left: 3%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: #9faeb9;
}

.RIGHT-YU {
    width: 100%;
    height: 100%;
    /* background: url('../img/yu1.png') no-repeat; */
    background-size: cover;
}

.bottom4 {
    width: 20%;
    height: 100%;
    background: url('../img/bofangqi.jpg') no-repeat;
    background-size: contain;
    position: relative;
}
.playaudio{
    position: absolute;
    left: 0;
    top: 3%;
    width: 25%;
    height: 30%;
    object-fit: fill;
}

.box-right {
    width: 30%;
    height: 100%;
}

.right-top {
    width: 65%;
    height: 10%;
    background: url('../img/top.png') no-repeat;
    background-size: contain;
    margin: 0 auto;
    margin-top: 5%;
    margin-left: 24%;
}

.right-bottom {
    width: 22%;
    height: 60%;
    display: inline-block;
    position: absolute;
}

.right-bottom-left {
    width: 48%;
    height: 100%;
    background: url('../img/box.jpg') no-repeat;
    background-size: contain;
    position: relative;
    margin-left: 22%;
    display: inline-block;
}

.yg {
    width: 18%;
    height: 90%;
    background: url('../img/diaoyugan.png') no-repeat;
    background-size: contain !important;
    position: absolute;
    top: 51%;
    right: 35%;
    transform: translate(-50%, -50%);
    transition: transform 0.3s ease-out;
    touch-action: none;
    /* 禁用默认的滑动行为 */
}

.yaogan {
    width: 18%;
    height: 90%;
    background: url('../img/yangan.png') no-repeat;
    background-size: contain;
    position: absolute;
    top: 66%;
    right: 0%;
    transition: transform 0.3s ease-out;
}

.right-bottom-right {
    width: 31%;
    height: 100%;
    /* background: url('../img/esa.jpg') no-repeat;
    background-size: contain; */
    margin-left: 5%;
}

.right-bottom-right img{
    width: 100%;
    height: 25%;
}

.yx {
    width: 1px;
    position: absolute;
    top: 39.6%;
    left: 37%;
    transition: transform 0.3s ease-out;
    display: none;
    border-right: 3px solid #000;
}

.upyu {
    width: 10%;
    height: 10%;
    position: absolute;
    left: 35%;
    top: 77%;
    /* display: none; */
    transition: transform 0.3s ease-out;
}
/* 修改数量字数 */
.text {
    position: absolute;
    left: 60%;
    bottom: 15%;
    font-size: 30px;
    font-family: 'Zen Kurenaido', sans-serif;
}
.image-container {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.image1{
    width: 100%;
    height: 50%;
}
.image2{
    width: 100%;
    height: 50%;
}

@keyframes moveImage {
    0% {
        transform: translateY(0%);
        opacity: 1;
    }
    25%{
        transform: translateY(-50%);
        opacity: .75;
    }

    50% {
        transform: translateY(-100%);
        opacity: .5;
    }

    75%{
        transform: translateY(-125%);
        opacity: .25;
    }

    100% {
        transform: translateY(-150%);
        opacity: 0;
    }
}
@keyframes moveImageDown {
    0% {
        transform: translateY(0%);
        opacity: 1;
    }
    25%{
        transform: translateY(50%);
        opacity: .75;
    }

    50% {
        transform: translateY(100%);
        opacity: .5;
    }

    75%{
        transform: translateY(125%);
        opacity: .25;
    }

    100% {
        transform: translateY(150%);
        opacity: 0;
    }
}
@keyframes moveImageOut {
    0% {
        opacity: 0;
    }
    25%{
        opacity: .25;
    }

    50% {
        opacity: .5;
    }

    75%{
        opacity: .75;
    }

    100% {
        opacity: 1;

    }
}

.image2 {
    z-index: 2;
}

.none{
    display: none;
}

.box-qx-bgc{
    width: 10%;
    height: 17%;
    position: absolute;
    bottom: 4%;
    right: 1%;
}